Senior Executive Admin & Office Experience Lead

Osanni Bio; San Francisco (CA); Hybrid; USD 100,000 - 120,000; Full time

Benefits offered by this job

Bonus

Comprehensive benefits

Job summary

Osanni Bio, a development-stage biotech in San Francisco, seeks a Sr. Administrative Assistant and Office Manager to support the VP People & Culture, VP Commercial Strategy and Corporate Communications, and others while running the daily office operations.

The role covers calendar management, travel planning, vendor relations, shipping/receiving, events, onboarding logistics, and cross-functional support for People & Culture, IT and Facilities. On-site presence is required with a hybrid schedule.

Qualifications

• Bachelor's degree preferred or equivalent experience.
• 5+ years in executive admin, office ops or similar.
• Proven ability to manage calendars, travel and expenses for multiple leaders.
• Experience managing vendor relations and building services (landlord, maintenance).
• Shipping/receiving, inventory, catering and onboarding logistics experience welcome.

Responsibilities

• Provide senior-level administrative support to VP People & Culture, VP Commercial Strategy and Corporate Communications, and others.
• Plan SAB/MAB meetings, travel, meals and conference logistics.
• Coordinate leadership conferences and executive registrations across leaders.
• Support company-wide meetings including scheduling and catering.
• Manage domestic and international travel, itineraries and expense reporting.
• Serve as professional touchpoint between leadership, employees, and external stakeholders.

Skills

Executive support

Calendar management

Travel coordination

Vendor & building mgmt

Office operations

Communication

On-site/hybrid ready

Education

Bachelor's degree

Tools

Microsoft Office

Google Workspace

Slack

Zoom

Expense platforms

Job description

Osanni Bio, a development-stage biotech in San Francisco, seeks a Sr. Administrative Assistant and Office Manager to support the VP People & Culture, VP Commercial Strategy and Corporate Communications, and others while running the daily office operations.

The role covers calendar management, travel planning, vendor relations, shipping/receiving, events, onboarding logistics, and cross-functional support for People & Culture, IT and Facilities. On-site presence is required with a hybrid schedule.